:root {
  --ink: #152b2a;
  --muted: #61706d;
  --green: #0d5d4f;
  --green-2: #15816c;
  --mint: #dff6ec;
  --cream: #f7f4ed;
  --peach: #ffb88b;
  --lavender: #c9b9f6;
  --line: #dfe8e4;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(21, 43, 42, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.site-header { position: sticky; top: 0; z-index: 40; min-height: 78px; padding: 0 clamp(24px, 5vw, 84px); display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.93); border-bottom: 1px solid rgba(21,43,42,.08); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand > span:last-child { display: grid; }
.brand strong { font-size: 21px; letter-spacing: .12em; line-height: 1.2; }
.brand small { color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.brand-mark { width: 43px; height: 38px; position: relative; display: inline-block; transform: rotate(-3deg); }
.brand-mark i { position: absolute; bottom: 3px; width: 15px; height: 30px; border: 2px solid var(--green); border-radius: 100% 0 100% 0; transform-origin: bottom center; background: var(--mint); }
.brand-mark i:nth-child(1) { left: 3px; transform: rotate(-39deg); }
.brand-mark i:nth-child(2) { left: 15px; height: 36px; transform: rotate(2deg); background: var(--white); }
.brand-mark i:nth-child(3) { right: 2px; transform: rotate(42deg); }
.brand-mark.small { transform: scale(.8); transform-origin: left center; }
.desktop-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
.desktop-nav a { position: relative; }
.desktop-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--green); transition: .25s ease; }
.desktop-nav a:hover::after { right: 0; }
.nav-cta { padding: 10px 19px; color: white; background: var(--green); border-radius: 999px; }
.mobile-nav { display: none; position: relative; }

.hero { min-height: 720px; padding: 96px clamp(24px, 7vw, 120px) 86px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(520px, .95fr); gap: 6vw; align-items: center; overflow: hidden; background: radial-gradient(circle at 86% 15%, rgba(201,185,246,.3), transparent 27%), radial-gradient(circle at 4% 85%, rgba(255,184,139,.23), transparent 27%), linear-gradient(135deg, #fbfaf7 0%, #f3f8f5 100%); }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 9px; color: var(--green-2); font-size: 13px; font-weight: 800; letter-spacing: .14em; }
.eyebrow span { width: 23px; height: 2px; display: inline-block; background: currentColor; }
.eyebrow.light { color: #9ee7d5; }
.hero h1 { margin: 0; font-size: clamp(48px, 5.5vw, 86px); letter-spacing: -.045em; line-height: 1.08; }
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(90deg, var(--green), #3b9c81 45%, #8f70dc); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 630px; margin: 28px 0 36px; color: var(--muted); font-size: clamp(17px, 1.4vw, 21px); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.button { min-height: 50px; padding: 12px 24px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: var(--green); box-shadow: 0 12px 30px rgba(13,93,79,.2); }
.button.secondary { border: 1px solid var(--green); color: var(--green); background: rgba(255,255,255,.55); }
.hero-facts { margin: 50px 0 0; padding: 0; display: flex; gap: 0; list-style: none; }
.hero-facts li { min-width: 150px; padding: 0 26px; display: grid; border-left: 1px solid var(--line); }
.hero-facts li:first-child { padding-left: 0; border-left: 0; }
.hero-facts strong { font-size: 20px; }
.hero-facts span { color: var(--muted); font-size: 12px; }

.hero-visual { position: relative; min-height: 550px; display: flex; align-items: center; justify-content: center; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 370px; height: 370px; right: -70px; top: 0; background: linear-gradient(140deg, rgba(201,185,246,.5), rgba(223,246,236,.2)); }
.orb-two { width: 220px; height: 220px; left: -35px; bottom: -20px; background: linear-gradient(140deg, rgba(255,184,139,.45), rgba(223,246,236,.2)); }
.dashboard-card { position: relative; z-index: 3; width: min(100%, 610px); padding: 24px; border: 1px solid rgba(255,255,255,.9); border-radius: 24px; background: rgba(255,255,255,.93); box-shadow: var(--shadow); transform: rotate(1deg); }
.dash-head { display: flex; justify-content: space-between; align-items: center; }
.dash-head > div { display: grid; }
.dash-head small, .metric-grid small, .chart-title span, .floating-card small, .alert-card small { color: var(--muted); }
.dash-head strong { font-size: 19px; }
.status-dot { padding: 7px 10px; color: var(--green); border-radius: 999px; background: var(--mint); font-size: 11px; }
.status-dot::before { content: ""; width: 6px; height: 6px; margin-right: 6px; display: inline-block; border-radius: 50%; background: #2aaf7c; }
.metric-grid { margin-top: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric-grid article { padding: 16px; display: grid; border: 1px solid var(--line); border-radius: 14px; background: #fbfdfc; }
.metric-grid strong { margin: 4px 0 2px; font-size: 22px; }
.metric-grid span { color: var(--muted); font-size: 10px; }
.metric-grid .up { color: #a35f3b; }
.metric-grid .down { color: var(--green-2); }
.chart-wrap { margin-top: 14px; padding: 16px; border-radius: 14px; background: #f6f7fb; }
.chart-title { display: flex; align-items: center; justify-content: space-between; font-size: 12px; }
.chart { position: relative; height: 150px; margin-top: 12px; overflow: hidden; border-radius: 8px; }
.grid-lines { position: absolute; inset: 0; background: repeating-linear-gradient(to bottom, transparent 0 37px, rgba(21,43,42,.08) 38px); }
.line { position: absolute; width: 115%; height: 80px; left: -5%; border-top: 4px solid var(--green-2); border-radius: 50%; transform: rotate(-8deg); }
.line-a { top: 64px; box-shadow: 0 -20px 30px rgba(21,129,108,.1); }
.line-b { top: 94px; border-color: var(--lavender); transform: rotate(7deg); }
.point { position: absolute; z-index: 2; width: 10px; height: 10px; border: 3px solid white; border-radius: 50%; background: var(--green-2); box-shadow: 0 0 0 2px var(--green-2); }
.p1 { left: 18%; top: 84px; }.p2 { left: 50%; top: 58px; }.p3 { right: 17%; top: 35px; }
.alert-card { margin-top: 14px; padding: 13px 14px; display: flex; align-items: center; gap: 12px; border-radius: 12px; background: #fff6ef; }
.alert-card > span { width: 28px; height: 28px; display: grid; place-items: center; color: white; border-radius: 50%; background: #f38b4d; font-weight: 900; }
.alert-card > div { flex: 1; display: grid; }
.alert-card b { color: var(--green); font-size: 12px; }
.floating-card { position: absolute; z-index: 4; padding: 13px 16px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.85); border-radius: 14px; background: rgba(255,255,255,.9); box-shadow: 0 14px 35px rgba(21,43,42,.13); }
.floating-card > span { width: 30px; height: 30px; display: grid; place-items: center; color: white; border-radius: 9px; background: var(--green); }
.floating-card > div { display: grid; }
.fc-one { left: -25px; top: 60px; }.fc-two { right: -10px; bottom: 30px; }

.trust-strip { min-height: 86px; padding: 20px clamp(24px, 8vw, 150px); display: flex; justify-content: center; align-items: center; gap: clamp(20px, 5vw, 80px); color: #d2eae3; background: var(--ink); font-size: 13px; letter-spacing: .13em; }
.trust-strip i { width: 5px; height: 5px; border-radius: 50%; background: var(--peach); }

.section { padding: 110px clamp(24px, 8vw, 150px); }
.about { display: grid; grid-template-columns: .95fr 1.05fr; gap: 9vw; align-items: start; }
.section h2 { margin: 0; font-size: clamp(36px, 4vw, 60px); line-height: 1.18; letter-spacing: -.04em; }
.about-content > p { margin: 0 0 22px; color: var(--muted); font-size: 17px; }
.market-tags { margin-top: 34px; display: flex; gap: 10px; flex-wrap: wrap; }
.market-tags span { padding: 8px 14px; color: var(--green); border: 1px solid #c5ded6; border-radius: 999px; background: #f7fbf9; font-size: 12px; }

.services { color: white; background: var(--green); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.section-heading > p { max-width: 530px; margin: 0; color: #bee1d7; }
.service-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.service-grid article { min-height: 350px; padding: 30px; position: relative; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); transition: background .25s ease, transform .25s ease; }
.service-grid article:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.service-no { color: #95c9bc; font-size: 12px; }
.service-grid h3 { margin: 30px 0 12px; font-size: 22px; }
.service-grid p { margin: 0; color: #cde5df; font-size: 14px; }
.service-icon { width: 60px; height: 60px; margin-top: 55px; position: relative; }
.service-icon.bars { display: flex; align-items: end; gap: 5px; }
.service-icon.bars i { width: 12px; border-radius: 3px 3px 0 0; background: var(--peach); }.service-icon.bars i:nth-child(1){height:23px}.service-icon.bars i:nth-child(2){height:45px}.service-icon.bars i:nth-child(3){height:34px}
.service-icon.bell i { position: absolute; width: 38px; height: 40px; left: 8px; top: 6px; border: 3px solid var(--peach); border-radius: 50% 50% 12px 12px; }.service-icon.bell i::after { content:""; position:absolute; width:14px; height:4px; left:9px; bottom:-9px; border-radius:5px; background:var(--peach); }
.service-icon.nodes i { position:absolute; width:15px; height:15px; border:3px solid var(--peach); border-radius:50%; }.service-icon.nodes i:nth-child(1){left:2px;top:21px}.service-icon.nodes i:nth-child(2){right:3px;top:3px}.service-icon.nodes i:nth-child(3){right:3px;bottom:3px}.service-icon.nodes::before,.service-icon.nodes::after { content:""; position:absolute; width:37px; height:2px; left:14px; top:25px; background:var(--peach); transform:rotate(-27deg); }.service-icon.nodes::after{transform:rotate(27deg);top:35px}
.service-icon.shield i { position:absolute; width:44px; height:50px; left:4px; top:2px; border:3px solid var(--peach); border-radius:15px 15px 24px 24px; }.service-icon.shield i::after { content:"✓"; position:absolute; inset:0; display:grid; place-items:center; color:var(--peach); font-size:23px; }

.technology { background: var(--cream); }
.tech-panel { display: grid; grid-template-columns: 1fr .9fr; gap: 9vw; align-items: center; }
.tech-copy > p:not(.eyebrow) { max-width: 720px; color: var(--muted); }
.tech-copy ul { margin: 40px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.tech-copy li { padding: 17px 0; display: flex; align-items: flex-start; gap: 14px; border-top: 1px solid #dcd8ce; }
.tech-copy li > span { color: var(--green-2); font-size: 12px; font-weight: 800; }
.tech-copy li div { display: grid; }.tech-copy li small { color: var(--muted); }
.flow-card { min-height: 530px; padding: 44px; display: flex; flex-direction: column; align-items: stretch; justify-content: center; border: 1px solid rgba(13,93,79,.15); border-radius: 28px; background: var(--white); box-shadow: var(--shadow); }
.flow-source, .flow-results > div { padding: 16px; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); border-radius: 12px; background: #fbfdfc; }
.flow-source b, .flow-results b { width: 28px; height: 28px; display: grid; place-items: center; color: white; border-radius: 8px; background: var(--green); }
.flow-line { height: 45px; display: flex; justify-content: center; }.flow-line i { width: 1px; height: 100%; display:block; background: #a9c5bc; }
.flow-core { min-height: 130px; position:relative; display:grid; place-items:center; align-content:center; border-radius:18px; overflow:hidden; color:white; background:var(--green); }
.flow-core strong,.flow-core small { position:relative; z-index:2; }.flow-core strong{font-size:20px}.flow-core small{color:#bde4da}
.core-ring { position:absolute; width:220px; height:220px; border:32px solid rgba(255,255,255,.07); border-radius:50%; }
.flow-results { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; }.flow-results > div { padding: 10px; display:grid; justify-items:center; gap:6px; font-size:11px; }

.compliance { background: #fbfdfc; }
.section-heading.compact { max-width: 850px; }
.compliance-grid { margin-top: 55px; display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.compliance-grid article { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.compliance-grid article > span { color: var(--green-2); font-size: 12px; font-weight: 900; }
.compliance-grid h3 { margin: 40px 0 10px; }.compliance-grid p { margin:0; color:var(--muted); font-size:14px; }

.contact-section { margin: 0 clamp(24px, 5vw, 90px) 70px; padding: 70px clamp(30px, 5vw, 80px); display: grid; grid-template-columns: 1fr .75fr; gap: 7vw; align-items: center; color: white; border-radius: 28px; background: linear-gradient(120deg, var(--ink), #0c5448); overflow: hidden; }
.contact-section h2 { max-width: 760px; margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.15; }
.contact-section > div > p:last-child { max-width: 680px; color: #c8ded8; }
.contact-card { padding: 30px; display: grid; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; background: rgba(255,255,255,.09); overflow-wrap: anywhere; }
.contact-card small { color: #a9cbc3; }.contact-card strong { margin:8px 0 25px; font-size:clamp(18px,2vw,25px); }.contact-card span { color:var(--peach); font-weight:800; }

footer { padding: 35px clamp(24px, 5vw, 90px); display:grid; grid-template-columns: 1fr auto auto; gap:35px; align-items:center; border-top:1px solid var(--line); }
.footer-brand { display:flex; align-items:center; gap:3px; }.footer-brand div{display:grid}.footer-brand small{color:var(--muted)}
.footer-links { display:flex; gap:22px; color:var(--muted); font-size:13px; }
footer > p { color:var(--muted); font-size:12px; }

.compact-header { position: relative; }
.back-link { color: var(--green); font-weight: 800; }
.policy-page { background: #f7f9f8; }
.policy-shell { width: min(1200px, calc(100% - 40px)); margin: 65px auto 90px; display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 30px; }
.policy-shell aside { height: max-content; padding: 22px; position: sticky; top: 20px; display: grid; gap: 6px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.policy-shell aside p { margin: 0 0 10px; color: var(--muted); font-size: 12px; }
.policy-shell aside a { padding: 9px 12px; border-radius: 8px; font-size: 14px; }.policy-shell aside a.active { color: white; background: var(--green); }
.policy-shell article { padding: clamp(30px, 5vw, 70px); border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: 0 16px 45px rgba(21,43,42,.05); }
.policy-shell article h1 { margin:0; font-size:clamp(36px,5vw,58px); line-height:1.2; }.updated { color:var(--muted); font-size:13px; }
.policy-shell article > p:not(.eyebrow):not(.updated), .policy-shell article li { color:#4e5e5b; }
.policy-shell article h2 { margin: 38px 0 10px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 22px; }
.policy-shell article a { color:var(--green-2); text-decoration:underline; }.policy-footer{grid-template-columns:1fr;text-align:center}

.error-page { min-height:100vh; display:grid; place-items:center; background:linear-gradient(135deg,#fbfaf7,#edf5f1); }.error-page main{text-align:center}.error-code{margin:10px 0 -15px;color:var(--green);font-size:120px;font-weight:900;line-height:1}.error-page h1{font-size:32px}.error-page p:not(.error-code){color:var(--muted);margin-bottom:30px}

@media (max-width: 1120px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { max-width: 850px; }
  .hero-visual { width: min(760px, 100%); margin: 0 auto; }
  .service-grid, .compliance-grid { grid-template-columns: repeat(2,1fr); }
  .tech-panel { grid-template-columns: 1fr; }
  .flow-card { width: min(650px,100%); }
  .contact-section { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { min-height: 68px; padding: 0 18px; }
  .desktop-nav { display:none; }
  .mobile-nav { display:block; }
  .mobile-nav summary { padding:8px 13px; border:1px solid var(--line); border-radius:9px; list-style:none; font-size:13px; font-weight:800; cursor:pointer; }
  .mobile-nav div { width:190px; padding:10px; position:absolute; top:45px; right:0; display:grid; border:1px solid var(--line); border-radius:12px; background:white; box-shadow:var(--shadow); }
  .mobile-nav a { padding:9px; }
  .hero { min-height:auto; padding:70px 22px; grid-template-columns:minmax(0,1fr); }
  .hero h1 { font-size:47px; }
  .hero-facts { display:grid; grid-template-columns:repeat(3,1fr); }
  .hero-facts li { min-width:0; padding:0 10px; }.hero-facts strong{font-size:15px}.hero-facts span{font-size:9px}
  .hero-visual { min-height:440px; }
  .dashboard-card { padding:14px; }.metric-grid{grid-template-columns:1fr}.metric-grid article:nth-child(n+2){display:none}.chart{height:120px}.floating-card{display:none}
  .trust-strip { gap:12px; flex-wrap:wrap; font-size:10px; }
  .section { padding:75px 22px; }
  .about { grid-template-columns:1fr; gap:38px; }.section-heading{display:grid}.section-heading>p{margin-top:16px}
  .service-grid, .compliance-grid { grid-template-columns:1fr; }.service-grid article{min-height:300px}.service-icon{margin-top:35px}
  .tech-copy ul { grid-template-columns:1fr; }.flow-card{min-height:460px;padding:24px}.flow-results{grid-template-columns:1fr}.flow-results>div{display:flex;justify-content:flex-start}.flow-results>div:nth-child(n+2){display:none}
  .contact-section { margin:0 14px 40px; padding:48px 24px; border-radius:20px; }
  footer { padding:30px 22px; }.footer-links{flex-wrap:wrap}
  .policy-shell { width:calc(100% - 24px); margin:24px auto 60px; grid-template-columns:1fr; }.policy-shell aside{position:static;grid-template-columns:repeat(2,1fr)}.policy-shell aside p{grid-column:1/-1}.policy-shell article{padding:28px 20px}
  .compact-header .brand small { display:none; }
}
